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http://dx.doi.org/10.6108/KSPE.2017.21.1.051

Design Optimization and Analysis of a RBCC Engine Flowpath Using a Kriging Model Based Genetic Algorithm  

Chae, Sang-Hyun (Institute of Advanced Aerospace Technology, Seoul National University)
Kim, Hye-Sung (Department of Aerospace Engineering, Pusan National University)
Yee, Kwan-Jung (Department of Mechanical and Aerospace Engineering, Seoul National University)
Oh, Se-Jong (Department of Aerospace Engineering, Pusan National University)
Choi, Jeong-Yeol (Department of Aerospace Engineering, Pusan National University)
Publication Information
Journal of the Korean Society of Propulsion Engineers / v.21, no.1, 2017 , pp. 51-62 More about this Journal
Abstract
A design optimization method is applied for the flow path design of RBCC engine, an important factor for the determining the propulsion performance operating at air-breathing mode. A design optimization was carried out to maximize the specific impulse of the RBCC engine by using a genetic algorithm based on the Kriging model. Results are analyzed using ANOVA and SOM. Design conditions of ramjet and scramjet mode are selected as Mach number 4 at 20 km altitude and Mach number 7 at 30 km, respectively. The optimized design presents that the specific impulse is increased by 7% and 10% on each condition than the baseline design.
Keywords
Rocket Based Combined Cycle(RBCC); Ramjet; Scramjet; Genetic Algorithm; Design Optimization;
Citations & Related Records
Times Cited By KSCI : 8  (Citation Analysis)
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